Browning Shotgun

I have a Browning Automatic 16 Ga. Shotgun, am looking for time of manufacture and value.
On receiver, Browning Arms,St Louis, Mo. There is a lot of engraving on receiver and trigger guard. There is also the initials P.V. on the receiver and bolt.
On barrel, Browning Arms Co., Ogden, Ut. also 16 Special Steel and Made in Belgium.
Serial # 105007
Recoil Pad marked White line Pachmayr Gun Works
Choke marked Poly Choke, Hartford, Conn